IRQ Conflicts

Next step is to see if you have any IRQ conflicts. These can be checked by right clicking on my computer on your desktop, click properties, click the device manager tab, click the computer image at the top and click properties at the bottom.

If you have a award BIOS chances are you can see what IRQ’s are assigned to each device in the BIOS. You want to only have a "IRQ holder for PCI steering" sharing with your AGP video card. You only want to have "PCI to USB host controller" sharing with a sound card or a PCI video card along with the IRQ steering. Most motherboards have one PCI slot share IRQ’s with the AGP slot. If you have a PCI video card, put it in that same IRQ slot if possible.

Example, if your PCI sound/networkcard is sharing an IRQ with your Videocard then the most simple solution is to turn of your PC and place that PCI card into another slot. 

As far as the sound card goes this can be very testy. Especially if they control the gameport, the modem, or both along with the sound features as in some Rockwell models. If you have a sound card with a game controller or modem or both and a PCI video card, try putting the sound card in that empty PCI slot under the agp port. If you already have a AGP video card you’ll have to try other PCI slots to see which ones work with it. In the abit KT7 the 4th PCI slot seems to work best with sound. You can always assign IRQ’s specifically to different devices through the BIOS. If however you do it may be necessary to reinstall your OS along with the correct drivers. The safest rout is still to try and have the sound card by itself, or with a gameport, do not have a built in modem soundcard if possible. You’ll definitely be running stable if you have sound, modem, and game controllers on separate PCI slots. If you are running any anti-virus software be sure to put it at the end of the Autoexec.bat file and the sound/video at the beginning or vise versa so your computer doesn’t lock up when loading different devices, verifying DMI pools etc.

 

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